Unused Foliage Type Causing Unbuilt Lighting

Tools - Foliage - Feb 1, 2019

Foliage components will be unbuilt even after deleting all of the placed foliage in a level. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 4827620 ...

Foliage LOD's Screen Size Can't be Set Higher Than 1.5

Tools - Foliage - Jan 31, 2019

Foliage LOD's Screen Size Can't be Set Higher Than 1.5 Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 4827620 ...

Calling UHierarchicalInstancedStaticMeshComponent::AddInstance multiple times causes crash

Tools - Foliage - Jan 16, 2019

Calling UHierarchicalInstancedStaticMeshComponent::AddInstance multiple times causes multiple BuildTrees to be created and run asynchronously at the same time. Tested in 4.21(CL - 4613538) How t ...

Instance Static Mesh instance doubles when upgrading from 4.18 to 4.19 or higher

Tools - Foliage - Sep 4, 2018

Instance Static Mesh instance doubles when upgrading from 4.18 to 4.19 or higher. According to Licensee, manual check is difficult. ...

HISM: Calling UpdateInstanceTransform with a transform only containing rotation or scale would not update the transform at runtime or cooked

Tools - Foliage - Aug 29, 2018

Calling UpdateInstanceTransform on a HISMC with a transform only containing rotation or scale would not update the transform at runtime or cooked. ...

Update Instance Transform Rotation for HISM isn't working in a packaged game

Tools - Foliage - Aug 22, 2018

Using 'Update Instance Transform' to rotate HISM instances will work in PIE, but won't work in a packaged game. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in ...

Hierarchical Instanced Static Mesh Component Doesn't Update Instance Transforms In Standalone Window and In Packaged Game.

Tools - Foliage - Aug 4, 2018

The Hierarchical Instanced Static Mesh Component doesn't update instance transforms in Standalone window and in Packaged game. Working as expected in 4.19 CL# 4033788 Found in 4.21 CL# 4233996 and ...

Adding Instances to a Hierarchical Instanced Static Mesh causes crash

Tools - Foliage - Jul 29, 2018

Adding Instances to the Hierarchical Instanced Static Mesh Component on BeginPlay causes the Editor to crash. Tested in 4.19.2 (CL - 4033788), 4.20.1 (CL - 4229980), 4.21(CL - 4235929) ...

Foliage: Speed tree wind is reset for every add/remove/update on instances

Tools - Foliage - Jul 10, 2018

Foliage: Speed tree wind is reset for every add/remove/update on instances What is happening:When we invalidate the render state, proxy are recreated, causing the wind to be removed and add again, ...